가장 고전적인 DevelopmentProcess

1. Requirement analysis
2. Analysis
3. Design
4. Implementation
5. Testing
6. Conversion
7. Maintenance

Characteristics

• Deadlines are determined very early in the project
• Required project results are completely and unambiguously determined
• Project development phases are sequential and one-way
• A milestone document concludes each project development phase

Advantages

• Every project phase cab be carefully planned
• Authorities and responsibilities can be clearly delineated
• At regular intervals(milestones), management can assess project progress and take corrective action if necessary

Disadvantages

• Everything is on the critical path
• It takes too long to see results
• It depends on stable, correct requirements
• It promotes blind automation instead of reengineering

요구사항이 명확하다면, 굳이 ObjectOriented방법으로 안가도 된다. ObjectOriented의 장점은 잦은 요구사항의 변화에 있다.